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Questions and Answers
Which polysaccharide is the main component of plant cell walls?
Which polysaccharide is the main component of plant cell walls?
- Chitin
- Starch
- Cellulose (correct)
- Glycogen
What is the function of pectin in fruits?
What is the function of pectin in fruits?
- To add sweetness to the fruit
- To make the cells more rigid
- To make the fruit harder
- To loosen the cells and make the fruit softer (correct)
What is the main function of plastids in plant cells?
What is the main function of plastids in plant cells?
- To store water for the cell
- To synthesize proteins for the cell
- To provide energy for the cell
- To carry out specialized functions in the cell (correct)
The cellulose of plant cell walls is commercially important as the main component of ______, cotton, flax, hemp, and wood.
The cellulose of plant cell walls is commercially important as the main component of ______, cotton, flax, hemp, and wood.
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Aside from cellulose, the secondary walls usually contain ______, a complex organic compound that adds hardness and rigidity to cell walls.
Aside from cellulose, the secondary walls usually contain ______, a complex organic compound that adds hardness and rigidity to cell walls.
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The cell wall remains intact even after the rest of the cell has died as in the case of cork cells that make up the wood of trees, plant fibers, and ______.
The cell wall remains intact even after the rest of the cell has died as in the case of cork cells that make up the wood of trees, plant fibers, and ______.
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